/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package servlets;

import MiniProjet.gestionnaires.GestionnairePanier;
import MiniProjet.gestionnaires.GestionnaireUtilisateurs;
import MiniProjet.modeles.Utilisateur;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Collection;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author SaLaH
 */
@WebServlet(name="ServletConnexion", urlPatterns={"/ServletConnexion"})
public class ServletConnexion extends HttpServlet {
   
    @EJB
    private GestionnaireUtilisateurs gestionnaireUtilisateurs;

    public static final String ERROR_MEASSAGE = "Saisissez votre adresse e-mail et mot de passe";
    public static final String PASSWORD_ERROR_MEASSAGE = "L'adresse e-mail ou le mot de passe que vous avez saisi est incorrect.";

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
      private GestionnairePanier gestionnairePanier;
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        RequestDispatcher dp;


        if(request.getParameter("action") != null){
        String email = request.getParameter("email");
        String password = request.getParameter("password");

       gestionnairePanier = (GestionnairePanier) request.getSession(true).getAttribute("MyStatefullCartProcessBean");

        if ((email.isEmpty()) || (password.isEmpty())) {
            

         request.setAttribute("passwordErrorMessage", ERROR_MEASSAGE);
         dp = request.getRequestDispatcher("login.jsp");
         dp.forward(request, response);
           
        } else if(gestionnaireUtilisateurs.getUtilisateurByEmail(email) != null){

            Utilisateur user = gestionnaireUtilisateurs.getUtilisateurByEmail(email);
            String pass = user.getPassword();
            if(pass.equals(password)) {
                  request.getSession(true).setAttribute("utilisateur",user);
                  if(gestionnairePanier != null){
                  dp = request.getRequestDispatcher("panier.jsp");
                  }else{
                   dp = request.getRequestDispatcher("home.jsp");
                  }
                  dp.forward(request, response);
          }else{
            request.setAttribute("passwordErrorMessage", PASSWORD_ERROR_MEASSAGE);
            dp = request.getRequestDispatcher("login.jsp");
            dp.forward(request, response);

          }
    
        }
         request.setAttribute("passwordErrorMessage", PASSWORD_ERROR_MEASSAGE);
           dp = request.getRequestDispatcher("login.jsp");
            dp.forward(request, response);
       
           }
        else{
          
          if(gestionnairePanier != null){
           gestionnairePanier.getligneCommandeList().clear();
          }
            request.getSession(true).invalidate();
           dp = request.getRequestDispatcher("ServletLoad");
            dp.forward(request, response);
           }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
